/*******************************************************************************
 * Copyright 2010 Ray Ling
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package org.ring.rinject;

import org.ring.rinject.collection.Table;
import org.ring.rinject.exception.AlreadyMappedException;
import org.ring.rinject.exception.NoEnviromentException;

class RinjectTable extends Table<String, String, Object> {
	
	public RinjectTable set(String key, String base, Object concrete)
			throws AlreadyMappedException {
		return set(key, base, concrete, true);
	}

	public RinjectTable set(String key, String base, Object concrete, boolean overwrite)
			throws AlreadyMappedException {
		RinjectEnvironment m = (RinjectEnvironment)table.get(key);
		if (null == m) {
			m = new RinjectEnvironment();
			table.put(key, m);
		}

		m.set(base, concrete, overwrite);
		return this;
	}

	public RinjectEnvironment env(String key)
		throws NoEnviromentException{
		Object env = table.get(key);
		
		if(null == env) throw new NoEnviromentException("Can't find environment["+key+"]", key);
		return (RinjectEnvironment)env;
	}
}
